From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> A straight forward conversion of this binding. I have added a maximum SPI frequency from the datasheet. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> Cc: Matt Ranostay <matt.ranostay@xxxxxxxxxxxx> --- .../bindings/iio/proximity/ams,as3935.yaml | 71 +++++++++++++++++++ .../bindings/iio/proximity/as3935.txt | 34 --------- 2 files changed, 71 insertions(+), 34 deletions(-) diff --git a/Documentation/devicetree/bindings/iio/proximity/ams,as3935.yaml b/Documentation/devicetree/bindings/iio/proximity/ams,as3935.yaml new file mode 100644 index 000000000000..7fcba5d6d508 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/proximity/ams,as3935.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/proximity/ams,as3935.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Austrian Microsystems AS3935 Franklin lightning sensor + +maintainers: + - Matt Ranostay <matt.ranostay@xxxxxxxxxxxx> + +description: + This lightening distance sensor uses an I2C or SPI interface. The + binding currently only covers the SPI option. + +properties: + compatible: + const: ams,as3935 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 2000000 + + spi-cpha: true + + interrupts: + maxItems: 1 + + ams,tuning-capacitor-pf: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Calibration tuning capacitor stepping value. This will require using + the calibration data from the manufacturer. + minimum: 0 + maximum: 120 + + ams,nflwdth: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Set the noise and watchdog threshold register on startup. This will + need to set according to the noise from the MCU board, and possibly + the local environment. Refer to the datasheet for the threshold settings. + +required: + - compatible + - reg + - spi-cpha + - interrupts + +additionalProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + lightning@0 { + compatible = "ams,as3935"; + reg = <0>; + spi-max-frequency = <400000>; + spi-cpha; + interrupt-parent = <&gpio1>; + interrupts = <16 1>; + ams,tuning-capacitor-pf = <80>; + ams,nflwdth = <0x44>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/proximity/as3935.txt b/Documentation/devicetree/bindings/iio/proximity/as3935.txt deleted file mode 100644 index 849115585d55..000000000000 --- a/Documentation/devicetree/bindings/iio/proximity/as3935.txt +++ /dev/null @@ -1,34 +0,0 @@ -Austrian Microsystems AS3935 Franklin lightning sensor device driver - -Required properties: - - compatible: must be "ams,as3935" - - reg: SPI chip select number for the device - - spi-max-frequency: specifies maximum SPI clock frequency - - spi-cpha: SPI Mode 1. Refer to spi/spi-bus.txt for generic SPI - slave node bindings. - - interrupts : the sole interrupt generated by the device - - Refer to interrupt-controller/interrupts.txt for generic - interrupt client node bindings. - -Optional properties: - - ams,tuning-capacitor-pf: Calibration tuning capacitor stepping - value 0 - 120pF. This will require using the calibration data from - the manufacturer. - - ams,nflwdth: Set the noise and watchdog threshold register on - startup. This will need to set according to the noise from the - MCU board, and possibly the local environment. Refer to the - datasheet for the threshold settings. - -Example: - -as3935@0 { - compatible = "ams,as3935"; - reg = <0>; - spi-max-frequency = <400000>; - spi-cpha; - interrupt-parent = <&gpio1>; - interrupts = <16 1>; - ams,tuning-capacitor-pf = <80>; - ams,nflwdth = <0x44>; -}; -- 2.28.0
